John Deere 844

UH3601 Notes 2017 John Deere 844K Serial #: 679103 Hours :15062 EROPS, there no Fault Codes, Machine Starts and Runs, Parking Brake Operational, Service Brakes work, AM FM Radio, Heater & A/C, All in working condition ; Lights, Gauges, Signals, Horn, Back-up Alarm, Seat Belt/Seat Bar, Glass Ok no cracks, Coolant level: 50%, All Gears Functioning, Attachments: JD Aggregate handler bucket, Machine jumped into first gear and stalled out. I was then able to shift through all gears. Has codefor low engine oil pressure Wet spot around front differential/axle housing Lift and tilt cylinders are leaking Transmission transfer gear housing leaks Hydraulic oil level low